TMC2590 DATASHEET (V1.0 / 2019-FEB-22) 6 2 Pin Assignments 2.1 Package Outline E D E O N T O M OI S L _ _ L T A T P C _ S E RI A _ T TS D VC RS GS TS VS 32 31 30 29 28 27 26 25 GND 1 24 VHS HA1 2 23 HB1 HA2 3 22 HB2 TMC2590-TA BMA2 4 21 BMB2 TQFP-32 BMA1 5 20 BMB1 7mm x 7mm LA1 6 19 LB1 PAD = GND LA2 7 18 LB2 SRA 8 17 SRB 9 10 11 12 13 14 15 16 T I K L K U O N N D D C B S L S S S R C NE C VO S 5 Figure 2.1 TMC2590 pin assignments2.2 Signal Descriptions PinNumber TypeFunction GND 1 Digital and analog low power GND. Connect both to PCB GND PAD plane. HA1 2 O (VS) High side P-channel driver output. Becomes driven to VHS to switch HA2 3 on MOSFET. HB1 23 HB2 22 BMA1 5 I (VS) Sensing input for bridge outputs. Used for short detection. Connect BMA2 4 to center of the respective half-bridge. BMB1 20 BMB2 21 LA1 6 O 5V Low side MOSFET driver output. Becomes driven to 5VOUT to switch www.trinamic.com